Application without ADS and for free. Extended functionality has been added for users who donate application.
You decide how worth/useful this application is for you, so you can donate with value you want
New functionality for users who donate application:

– More widgets 2X1(WIFI, transfer limits, billing period)
– More widgets 1X1(GSM, WIFI, transfer limits, billing period)
– New styles for notification bar (limit transfer, mobile GSM/CDMA, billing period)
– Transfer used by application (req. android>2.1)
– Export/Import data to SD card
– Billing period calculation
– Option to not counting sent transfer
– Option to set alerts when transfer limit less than … (in MB) will expire in … (days)
– Option to enable vibration when transfer limit will be exceeded
– Option to set first day in week (Saturday, Sunday, Monday)
– Show application icon in notification only when enable GSM/CDMA/WIFI
– Set expiration period in days, weeks, months
– Option to count separately transfer for one WIFI SSID e.g to count hotspot traffic
– New statistics (for billing period, WIFI SSID)
– Option to add not used transfer from last period to next

Needed permissions:
android.permission.ACCESS_WIFI_STATE – to check if WIFI is enable/disable
android.permission.ACCESS_NETWORK_STATE – to check if GSM is enable/disable
android.permission.WRITE_EXTERNAL_STORAGE – to save exported transfer to SD card
android.permission.READ_PHONE_STATE – to read id_device (id_device is require to generate unique activation code for extended functionality for user who donate app)
android.permission.VIBRATE – to enable vibration when transfer limit will be exceeded (optional in settings)

No permissions to network, so application doesn’t send any information from phone.

Please check if GSM/CDMA/WIFI works for you on your phone before donate.